import org.junit.jupiter.api.Test;

import java.util.Arrays;
import java.util.Scanner;

import static org.junit.Assert.assertEquals;

public class NGuessNumberTest {
    @Test
    void generateAnswer() {
        //检查答案数字数量是否为4，其中是否无重复数字，以及数字是否都在0-9之间。
        int s = 4;

        NGuessNumber nGuessNumber = new NGuessNumber();

        assertEquals(s,nGuessNumber.generateAnswer().length);
        System.out.println("数字数量为4，正确");

        //System.out.println(Arrays.toString(nGuessNumber.generateAnswer()));

        int num [] = nGuessNumber.generateAnswer();

        boolean flag = false;
        int numsize = 0;

        for (int i=0; i<s; i++){
            if(num[i]>=0&&num[i]<=9){
                numsize=1;
            }else{
                numsize=0;
            }
            for (int l=0; l<=i; l++){
                if(i!=l) {
                    if (num[i] == num[l]) {
                        flag = false;
                    } else {
                        flag = true;
                    }
                }
            }
        }

        assertEquals(true,flag);
        System.out.println("其中无重复数字，正确");
        assertEquals(1,numsize);
        System.out.println("数字都在0-9之间，正确");
    }
    class getPlayerInputTest{
        @Test
        void getPlayerInput() {
            //请使用断言检查玩家猜测的数字数量是否为4。
            int numsize = 4;

            NGuessNumber nGuessNumber = new NGuessNumber();

            assertEquals(numsize,nGuessNumber.guesslist.length);

            System.out.println("用户输入的数字数量为4，正确");
        }
    }
    class compareGuessAnswer{
        @Test
        void compareGuessAnswer() {
            NGuessNumber nGuessNumber = new NGuessNumber();

            int testguess []= nGuessNumber.guesslist;
            int testnum []= nGuessNumber.generateAnswer();
            //System.out.println(Arrays.toString(testguess));
            int a_num = 0;
            int b_num = 0;
            for (int i = 0; i < testnum.length; i++) {
                for (int l=0; l < testnum.length; l++){
                    if(i!=l){
                        if(testnum[i]==testguess[l]){
                            b_num++;
                        }
                    }else{
                        if(testnum[i]==testguess[l]){
                            a_num++;
                        }
                    }

                }
            }
            String s = a_num+"A"+b_num+"B\n"+"A表示存在且位置正确的数字个数，B表示存在且位置不正确的数字个数！\n"+"如：1A2B,表示你猜测的四个数字有3个是对的，有一个位置对，两个位置不对。";

            assertEquals(s,nGuessNumber.compareGuessAnswer());

            System.out.println();
            System.out.println("测试比较玩家猜测和答案后，返回的提示信息，正确");
        }
    }

}
